CN114657659A - Biodegradable elastic material and garment and preparation method thereof - Google Patents
Biodegradable elastic material and garment and preparation method thereof Download PDFInfo
- Publication number
- CN114657659A CN114657659A CN202210507223.1A CN202210507223A CN114657659A CN 114657659 A CN114657659 A CN 114657659A CN 202210507223 A CN202210507223 A CN 202210507223A CN 114657659 A CN114657659 A CN 114657659A
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- Prior art keywords
- biodegradable
- elastic fiber
- biodegradable elastic
- woven
- filaments
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- 238000002360 preparation method Methods 0.000 title abstract description 14
- 239000013013 elastic material Substances 0.000 title abstract description 9
- 210000004177 elastic tissue Anatomy 0.000 claims abstract description 142
- 239000002657 fibrous material Substances 0.000 claims abstract description 35
- 239000013533 biodegradable additive Substances 0.000 claims abstract description 21
- 150000002772 monosaccharides Chemical class 0.000 claims abstract description 6
- 229920000747 poly(lactic acid) Polymers 0.000 claims abstract description 5
- GZCGUPFRVQAUEE-UHFFFAOYSA-N 2,3,4,5,6-pentahydroxyhexanal Chemical compound OCC(O)C(O)C(O)C(O)C=O GZCGUPFRVQAUEE-UHFFFAOYSA-N 0.000 claims abstract description 4
- 239000008187 granular material Substances 0.000 claims abstract description 4
- 239000004626 polylactic acid Substances 0.000 claims abstract description 4
- 229920002635 polyurethane Polymers 0.000 claims abstract description 4
- 239000004814 polyurethane Substances 0.000 claims abstract description 4
- 230000001953 sensory effect Effects 0.000 claims abstract description 3
- 239000004744 fabric Substances 0.000 claims description 31
- 238000000034 method Methods 0.000 claims description 20
- 239000004594 Masterbatch (MB) Substances 0.000 claims description 12
- 239000000835 fiber Substances 0.000 claims description 11
- 238000009987 spinning Methods 0.000 claims description 9
- 239000000654 additive Substances 0.000 claims description 8
- 230000000996 additive effect Effects 0.000 claims description 7
- 230000008569 process Effects 0.000 claims description 7
- 238000002156 mixing Methods 0.000 claims description 6
- 239000002699 waste material Substances 0.000 claims description 6
- 239000002202 Polyethylene glycol Substances 0.000 claims description 4
- 239000010779 crude oil Substances 0.000 claims description 4
- 229920001223 polyethylene glycol Polymers 0.000 claims description 4
- 239000000126 substance Substances 0.000 claims description 4
- 238000000578 dry spinning Methods 0.000 claims description 3
- 238000002074 melt spinning Methods 0.000 claims description 3
- 238000007670 refining Methods 0.000 claims description 3
- 229920002994 synthetic fiber Polymers 0.000 claims description 3
- 239000012209 synthetic fiber Substances 0.000 claims description 3
- 238000002166 wet spinning Methods 0.000 claims description 3
- 230000007613 environmental effect Effects 0.000 abstract description 10
- 230000008901 benefit Effects 0.000 abstract description 7
- 239000002689 soil Substances 0.000 abstract description 7
- 239000004753 textile Substances 0.000 abstract description 6
- 239000000463 material Substances 0.000 abstract description 5
- 150000001875 compounds Chemical class 0.000 abstract description 3
- 231100000252 nontoxic Toxicity 0.000 abstract description 3
- 230000003000 nontoxic effect Effects 0.000 abstract description 3
- 238000009940 knitting Methods 0.000 description 15
- 238000009941 weaving Methods 0.000 description 15
- 239000001963 growth medium Substances 0.000 description 11
- 239000007787 solid Substances 0.000 description 11
- 239000004745 nonwoven fabric Substances 0.000 description 5
- 238000006065 biodegradation reaction Methods 0.000 description 4
- 229920002334 Spandex Polymers 0.000 description 3
- 230000008859 change Effects 0.000 description 3
- 238000012258 culturing Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000009958 sewing Methods 0.000 description 3
- 150000001312 aldohexoses Chemical class 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000011534 incubation Methods 0.000 description 2
- 239000002609 medium Substances 0.000 description 2
- 238000001000 micrograph Methods 0.000 description 2
- 239000010802 sludge Substances 0.000 description 2
- 239000010784 textile waste Substances 0.000 description 2
- 230000036962 time dependent Effects 0.000 description 2
- 239000002351 wastewater Substances 0.000 description 2
- 239000002759 woven fabric Substances 0.000 description 2
- 230000015556 catabolic process Effects 0.000 description 1
- 238000013329 compounding Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 230000029087 digestion Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000036961 partial effect Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 239000004759 spandex Substances 0.000 description 1
- 239000013585 weight reducing agent Substances 0.000 description 1
Images
Classifications
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F6/00—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof
- D01F6/88—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from mixtures of polycondensation products as major constituent with other polymers or low-molecular-weight compounds
- D01F6/94—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from mixtures of polycondensation products as major constituent with other polymers or low-molecular-weight compounds of other polycondensation products
-
- A—HUMAN NECESSITIES
- A41—WEARING APPAREL
- A41D—OUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
- A41D1/00—Garments
-
- A—HUMAN NECESSITIES
- A41—WEARING APPAREL
- A41D—OUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
- A41D31/00—Materials specially adapted for outerwear
- A41D31/04—Materials specially adapted for outerwear characterised by special function or use
-
- A—HUMAN NECESSITIES
- A41—WEARING APPAREL
- A41D—OUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
- A41D31/00—Materials specially adapted for outerwear
- A41D31/04—Materials specially adapted for outerwear characterised by special function or use
- A41D31/18—Elastic
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F1/00—General methods for the manufacture of artificial filaments or the like
- D01F1/02—Addition of substances to the spinning solution or to the melt
- D01F1/10—Other agents for modifying properties
-
- A—HUMAN NECESSITIES
- A41—WEARING APPAREL
- A41D—OUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
- A41D2500/00—Materials for garments
- A41D2500/10—Knitted
Abstract
The invention has proposed a biodegradable elastic material and clothes and its preparation method, the said elastic material includes the elastic fiber, contain at least 85% polyurethane; the biodegradable additive is a mixed granule of aliphatic-aromatic ester, modified polylactic acid, sensory monosaccharide and aldohexose. The biodegradable elastic fiber material of the invention can lead the prepared textile material to be rapidly biodegradable (compostable) in soil or outside the soil due to containing the biodegradable additive, degrade the elastic fiber into nontoxic compounds, and realize the advantage of environmental protection without influencing the basic characteristics of the elastic fiber.
Description
Technical Field
The invention relates to the field of textiles, in particular to a biodegradable elastic material and a garment as well as a preparation method thereof.
Background
With the gradual improvement of the quality of life of people, the application of high-performance textiles is gradually popularized to various fields of life of people, and therefore a large amount of high-performance textile waste is generated. In a general sense, textile waste mainly includes waste materials generated by chemical and mechanical actions in the spinning process, used waste materials generated in the spinning production process, leftover materials generated in the cutting process, textile fibers and products thereof, and wires, ropes, wires, cables and the like discarded in living and other activities. However, with the increasing requirements for environmental protection and recycling, the biodegradability of textile materials has become one of the hot spots of current research.
Disclosure of Invention
The invention aims to provide a biodegradable elastic material, a garment and a preparation method thereof, which can realize complete or partial biodegradation and have the advantages of environmental protection, economy, cost saving and the like.
In order to solve the above technical problems, the present invention provides a biodegradable elastic material, comprising:
elastic fibers comprising at least 85% polyurethane;
biodegradable additives are mixed granules of aliphatic-aromatic esters, modified polylactic acid, organoleptic monosaccharides and aldohexoses.
Further, in the biodegradable elastic fiber material, the content of the biodegradable additive is 0.1-5% w/w.
Further, the biodegradable elastic fiber material also comprises a dye additive.
In addition, the invention also provides a preparation method of the biodegradable elastic fiber material, which is used for preparing the biodegradable elastic fiber material, and comprises the following steps:
mixing the elastic fiber and the biodegradable additive to obtain a master batch;
preparing biodegradable elastic fiber yarns by using the master batch;
and (3) preparing the biodegradable elastic fiber silk and other fibers together to obtain the biodegradable elastic fiber material.
Further, in the preparation method of the biodegradable elastic fiber material, the elastic fiber is prepared by combining long-chain polyethylene glycol and short-chain aliphatic diisocyanate, or is prepared by refining crude oil, or is recovered from wastes by mechanical or chemical means.
Further, in the method for preparing the biodegradable elastic fiber material, the dye additive is added to prepare the dyed biodegradable elastic fiber yarn while the elastic fiber and the biodegradable additive are mixed.
Further, in the method for preparing the biodegradable elastic fiber material, the step of preparing the biodegradable elastic fiber yarn from the master batch comprises the following steps:
the masterbatch is extruded into biodegradable elastic fiber filaments by dry spinning, reactive spinning, wet spinning or melt spinning.
Further, in the preparation method of the biodegradable elastic fiber material, the biodegradable elastic fiber filament and natural or synthetic fiber are twisted by a core-spun spinning process or a core-spun yarn twisting process to prepare the biodegradable elastic fiber material.
Further, in the preparation method of the biodegradable elastic fiber material, the biodegradable elastic fiber filament is cut to obtain short filament, so as to be blended with other biodegradable short fiber to form the nonwoven fabric of the completely biodegradable elastic fiber.
Further, in the method for preparing the biodegradable elastic fiber material, the biodegradable elastic fiber filament is cut to obtain short filament, so as to be blended with other non-biodegradable short fiber to form the non-woven fabric of the partially biodegradable elastic fiber.
In one aspect, the present invention provides a biodegradable elastic fiber garment, which is a completely biodegradable elastic fiber garment obtained by forming a filament or yarn using the biodegradable elastic fiber material as described above, weaving or knitting the formed biodegradable elastic fiber woven or knitted fabric with or without other biodegradable filaments or yarns, and sewing the woven or knitted fabric.
In another aspect, the present invention is also a biodegradable elastic fiber garment, which is obtained by using the biodegradable elastic fiber material as described above to form a filament or yarn, co-spinning with other non-biodegradable filaments or yarns, weaving or knitting to form a partially biodegradable elastic fiber woven or knitted fabric, and sewing the partially biodegradable elastic fiber garment using the woven or knitted fabric.
Compared with the prior art, the invention at least has the following beneficial effects: the biodegradable elastic fiber material of the invention can lead the prepared textile material to be rapidly biodegradable (compostable) in soil or outside the soil due to containing the biodegradable additive, degrade the elastic fiber into nontoxic compounds, and realize the advantage of environmental protection without influencing the basic characteristics of the elastic fiber.
Drawings
FIG. 1 is a flow chart of a second embodiment of the present invention for preparing fully biodegradable nonwoven fabrics and garments;
FIG. 2 is a flow chart of the second embodiment of the present invention for preparing partially biodegradable nonwoven fabric and garment.
FIG. 3 is a graph showing the time-dependent change of the amount of biogas generated by the decomposition of biodegradable elastic fiber filaments in a culture medium under high-solid anaerobic conditions in a biodegradable elastic fiber woven or knitted fabric woven or knitted from the biodegradable elastic fiber filaments prepared in example two of the present invention.
FIG. 4 is a graph showing the time-dependent change of the percent biodegradation in the culture medium under high-solid anaerobic conditions of a biodegradable elastic fiber woven or knitted fabric obtained by weaving or knitting the biodegradable elastic fiber filament prepared in the second embodiment of the present invention.
FIG. 5 is a comparison of biodegradable elastic fiber woven or knitted fabric obtained by weaving or knitting the biodegradable elastic fiber filament prepared in the second embodiment of the present invention before and after culturing in a culture medium under high solid anaerobic conditions.
Detailed Description
The biodegradable elastomeric materials and garments and methods for making the same of the present invention are described in more detail below in conjunction with schematic drawings, wherein preferred embodiments of the invention are shown, it being understood that one skilled in the art could modify the invention described herein while still achieving the beneficial results of the present invention. Accordingly, the following description should be construed as broadly as possible to those skilled in the art and not as limiting the invention.
The invention is described in more detail in the following paragraphs by way of example with reference to the accompanying drawings. Advantages and features of the present invention will become apparent from the following description and from the claims. It is to be noted that the drawings are in a very simplified form and are not to precise scale, which is merely for the purpose of facilitating and distinctly claiming the embodiments of the present invention.
Example one
The present invention provides a biodegradable elastic fiber material comprising:
elastic fibers comprising at least 85% polyurethane;
the biodegradable additive is a mixed granule of aliphatic-aromatic ester, modified polylactic acid, sensory monosaccharide and aldohexose.
In this example, the elastic fiber is made by combining long-chain polyethylene glycol with short-chain aliphatic diisocyanate, and it may be refined from crude oil, or it may be prepared from elastic fiber (commercially available spandex) recovered from waste mechanically or chemically.
In addition, the biodegradable additives (with or without dye additives) are mixed particles of Aliphatic-aromatic esters (aliphatically-aromatic esters), Modified polylactic acids (Modified polylactates), Organoleptic Monosaccharides (Organoleptic Monosaccharides) and aldohexoses (Aldohexose).
In particular, the content of biodegradable additive is between 0.1% w/w and 5% w/w, such as 1% w/w, 2% w/w, 3% w/w or 4% w/w, etc. The content of the biodegradable additive may determine the degree of degradability without affecting the properties of the elastic fiber material produced. The biodegradable additive allows the elastic fiber material to be rapidly biodegradable (compostable) in or outside the soil, biodegrades the elastic fiber into non-toxic compounds, achieves the advantage of environmental protection, and does not affect the basic characteristics of the elastic fiber.
Example two
In this embodiment, a method for preparing the biodegradable elastic fiber material of the first embodiment is provided, the method comprising the steps of:
mixing the elastic fiber and the biodegradable additive to obtain a master batch;
preparing biodegradable elastic fiber yarns by using the master batch;
and (3) preparing the biodegradable elastic fiber filament and other fibers together to obtain the biodegradable elastic fiber material.
The elastic fiber is prepared by compounding long-chain polyethylene glycol and short-chain aliphatic diisocyanate, or is prepared by refining crude oil, or is recovered from wastes by a mechanical or chemical mode.
In specific embodiments other than this example, a dye additive is added to produce a dyed biodegradable elastane filament while blending the elastane fibers and the biodegradable additive.
In this embodiment, the preparation of the biodegradable elastic fiber filament from the masterbatch comprises the steps of:
the master batch is extruded into biodegradable elastic fiber filaments through dry spinning, reactive spinning, wet spinning or melt spinning.
After the biodegradable elastic fiber filament is prepared, the biodegradable elastic fiber filament and natural or synthetic fiber are twisted by a core-spun spinning process or a core-spun yarn twisting process to prepare the biodegradable elastic fiber material.
After obtaining the biodegradable elastic fiber material, the present embodiment can also prepare it into completely biodegradable clothes, please refer to fig. 1, which includes the following details:
and weaving or knitting the formed biodegradable elastic fiber woven or knitted fabric with or without other biodegradable filaments or yarns, and sewing the woven or knitted fabric to obtain the completely biodegradable elastic fiber garment.
In this embodiment, in addition to the completely biodegradable garment prepared by using the above filaments, a partially biodegradable elastic fiber woven or knitted fabric formed by co-spinning, weaving or knitting the biodegradable elastic fiber filaments with other non-biodegradable filaments or yarns may be utilized and sewn using the woven or knitted fabric to obtain a partially biodegradable elastic fiber garment, as shown in fig. 2.
In this embodiment, in addition to the preparation of completely or partially biodegradable garments from the filaments, the biodegradable elastic fiber filaments may be cut to obtain short biodegradable elastic fibers, blended with other biodegradable staple fibers, and a nonwoven fabric of completely biodegradable elastic fibers formed from the short biodegradable elastic fibers and blends thereof, as shown in fig. 1.
In this example, in addition to producing a nonwoven of fully biodegradable elastic fibers, short biodegradable elastic fibers may be blended with other non-biodegradable staple fibers to produce a nonwoven of partially biodegradable elastic fibers, as shown in fig. 2.
In addition, according to the biodegradable elastic fiber provided in the embodiment, optionally, a dye additive may be added to the biodegradable elastic fiber in the above embodiment to prepare a dyed biodegradable elastic fiber while adding the biodegradable additive, so as to avoid generation of dye wastewater, achieve the purpose of environmental protection, reduce the preparation cost, and obtain a novel dyed biodegradable elastic fiber fabric or garment.
Biodegradable elastic fiber woven or knitted fabrics obtained by weaving or knitting the biodegradable elastic fiber filaments of the present application were subjected to a culture test by the environmental sector of Intertek India Private Limited under high solids anaerobic conditions in a culture medium according to the standard ASTM D5511, which culture test may comprise the following steps: anaerobically digested sludge from Chembur (bombay) mixed with household garbage is pre-incubated at a predetermined temperature (e.g. 53 ℃) for one week; taking the cultured anaerobic digestion sludge as a culture medium; the biodegradable elastic fiber woven or knitted fabric obtained by weaving or knitting the biodegradable elastic fiber filament of the present application is placed in a container (such as a conical flask) in a culture medium and then placed in an incubator for cultivation, and the cultivation can be performed in a dark place at 52 ℃ or 62 ℃ or under diffused light to obtain thermophilic conditions; in the culture process, the container is connected with the gas collecting device, so that the biogas amount generated by decomposing the biodegradable elastic fiber woven fabric or knitted fabric woven or knitted by the biodegradable elastic fiber filament can be collected. Due to experimental time limitations, the incubation time may be 60 days. After the culture is finished, the amount of biogas generated by decomposing biodegradable elastic fiber woven fabrics or knitted fabrics woven or knitted by the biodegradable elastic fiber filaments can be collected when 60 days are reached. The biodegradable elastic fiber woven or knitted fabric obtained by weaving or knitting the biodegradable elastic fiber filament of the present application was weighed before and after the cultivation, and the variety of the biodegradable elastic fiber woven or knitted fabric obtained by weaving or knitting the biodegradable elastic fiber filament of the present application in the cultivation process was changed, as shown in table 1. After the incubation is completed, the biodegradable elastic fiber woven or knitted fabric woven or knitted from the biodegradable elastic fiber filaments of the present application can be tested for percent biodegradation as shown in fig. 4.
Table 1: biodegradable elastic fiber woven or knitted fabric obtained by weaving or knitting biodegradable elastic fiber filament, weight change during culture in culture medium under high solid anaerobic condition
| Initial weight (g) | 10.5052 |
| Final weight (g) | 10.0752 |
| Percentage of weight reduction | 4.09 |
As can be seen from table 1, the biodegradable elastic fiber woven or knitted fabric obtained by weaving or knitting the biodegradable elastic fiber filament can be degraded well in the culture medium under the high solid anaerobic condition.
In addition, referring to fig. 3 and 4, as can be seen from fig. 3, the biodegradable elastic fiber woven or knitted fabric obtained by weaving or knitting the biodegradable elastic fiber filament can be decomposed to generate 4940ml (milliliter) of biogas when the culture time reaches 60 days in the culture medium under the high-solid anaerobic condition; as can be seen from fig. 4, the biodegradable elastic fiber woven or knitted fabric obtained by weaving or knitting the biodegradable elastic fiber filament has a biodegradation percentage of 11.26% in 60 days in the culture process in the culture medium under high-solid anaerobic conditions, can be completely degraded in less than two years, and has a better degradation percentage.
Further, referring to FIG. 5, (a) and (b) in FIG. 5 are micrographs before culturing in a medium under high-solid anaerobic conditions, (c) and (d) are micrographs during culturing in a medium under high-solid anaerobic conditions; it can also be seen from FIG. 5 that the biodegradable elastic fiber woven or knitted fabric obtained by weaving or knitting the biodegradable elastic fiber filaments is significantly degraded during the cultivation in the culture medium under the high solid anaerobic condition.
In summary, the invention discloses a biodegradable elastic material and a garment and a preparation method thereof, and the biodegradable additive is added into elastic fiber, so that the elastic material can be rapidly biodegraded in soil and under the condition of no soil, and the advantages of environmental protection and the like are realized.
The used elastic fiber can be recycled to prepare a biodegradable product, so that the economic cost is reduced, and multiple advantages of environmental protection and the like are realized. In addition, the biodegradable elastic fiber fabric can be prepared into a dyed biodegradable elastic fiber fabric by adding the dye additive while adding the biodegradable additive, so that the generation of dye wastewater is avoided, and the aim of environmental protection is fulfilled; and the preparation cost is reduced, and a novel dyed biodegradable elastic fiber fabric can be obtained.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (12)
1. A biodegradable elastic fibrous material, characterized in that it comprises:
elastic fibers comprising at least 85% polyurethane;
the biodegradable additive is a mixed granule of aliphatic-aromatic ester, modified polylactic acid, sensory monosaccharide and aldohexose.
2. The biodegradable elastomeric fibrous material according to claim 1, characterized in that said biodegradable additive is present in an amount comprised between 0.1% w/w and 5% w/w.
3. The biodegradable elastomeric fibrous material of claim 1, further comprising a dye additive.
4. A method of preparing a biodegradable elastic fiber material for preparing a biodegradable elastic fiber material according to any one of claims 1 to 3, comprising the steps of:
mixing the elastic fiber and the biodegradable additive to obtain a master batch;
preparing biodegradable elastic fiber yarns by using the master batch;
and (3) preparing the biodegradable elastic fiber filament and other fibers together to obtain the biodegradable elastic fiber material.
5. The method of claim 4, wherein the elastic fiber is prepared by combining long-chain polyethylene glycol with short-chain aliphatic diisocyanate, or is prepared by refining crude oil, or is recovered from waste by mechanical or chemical means.
6. The method of producing a biodegradable elastic fiber material according to claim 4, wherein a dye additive is added to produce a dyed biodegradable elastic fiber yarn while mixing the elastic fiber and the biodegradable additive.
7. The method for preparing a biodegradable elastic fiber material according to claim 4, wherein the step of preparing the biodegradable elastic fiber filament from the master batch comprises the steps of:
the masterbatch is extruded into biodegradable elastic fiber filaments by dry spinning, reactive spinning, wet spinning or melt spinning.
8. The method of claim 7, wherein the biodegradable elastic fiber material is prepared by twisting the biodegradable elastic fiber filament with natural or synthetic fiber by a core-spun process or a core-twisted process.
9. The method of claim 7, wherein said biodegradable elastic fiber filaments are cut to obtain short filaments for blending with other biodegradable short fibers to form a nonwoven of fully biodegradable elastic fibers.
10. The method of producing a biodegradable elastic fiber material according to claim 7, characterized in that said biodegradable elastic fiber filaments are cut to obtain short filaments to be blended with other non-biodegradable short fibers to form a nonwoven of partially biodegradable elastic fibers.
11. A biodegradable elastic fiber garment, characterized in that the biodegradable elastic fiber material according to any of claims 4-8 is used to form a filament or yarn, the formed biodegradable elastic fiber woven or knitted fabric is woven or knitted with or without other biodegradable filaments or yarns, and the woven or knitted fabric is used to sew up a completely biodegradable elastic fiber garment.
12. A biodegradable elastic fiber garment, characterized in that a biodegradable elastic fiber material according to any of claims 4-8 is used to form a filament or yarn, a partially biodegradable elastic fiber woven or knitted fabric is co-spun with other non-biodegradable filaments or yarns, woven or knitted, and sewn using said woven or knitted fabric to obtain a partially biodegradable elastic fiber garment.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210329582 | 2022-03-31 | ||
| CN2022103295822 | 2022-03-31 |
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| CN114657659A true CN114657659A (en) | 2022-06-24 |
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| CN202210507223.1A Pending CN114657659A (en) | 2022-03-31 | 2022-05-11 | Biodegradable elastic material and garment and preparation method thereof |
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| CN109072490A (en) * | 2016-04-04 | 2018-12-21 | 罗地亚聚酰胺特殊品公司 | Biodegradable Fypro, the polyamide article for obtaining the method for such fiber and being made from it |
| CN109322002A (en) * | 2018-10-10 | 2019-02-12 | 无锡沛莱斯纺织有限公司 | A kind of biodegradable polyesters fabric and preparation method thereof |
| CN109338504A (en) * | 2018-09-17 | 2019-02-15 | 浙江华峰氨纶股份有限公司 | A kind of degradable spandex high performance polyurethane of biology and preparation method thereof |
| CN111101231A (en) * | 2019-12-27 | 2020-05-05 | 宁夏宁东泰和新材有限公司 | Spandex easy to degrade and preparation method thereof |
| TW202018138A (en) * | 2018-11-14 | 2020-05-16 | 香港商沛萊斯紡織有限公司 | Biodegradable polyester fabric and preparation method thereof capable of enabling textile materials to be biodegraded quickly in the soil |
-
2022
- 2022-05-11 CN CN202210507223.1A patent/CN114657659A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109072490A (en) * | 2016-04-04 | 2018-12-21 | 罗地亚聚酰胺特殊品公司 | Biodegradable Fypro, the polyamide article for obtaining the method for such fiber and being made from it |
| CN109338504A (en) * | 2018-09-17 | 2019-02-15 | 浙江华峰氨纶股份有限公司 | A kind of degradable spandex high performance polyurethane of biology and preparation method thereof |
| CN109322002A (en) * | 2018-10-10 | 2019-02-12 | 无锡沛莱斯纺织有限公司 | A kind of biodegradable polyesters fabric and preparation method thereof |
| TW202018138A (en) * | 2018-11-14 | 2020-05-16 | 香港商沛萊斯紡織有限公司 | Biodegradable polyester fabric and preparation method thereof capable of enabling textile materials to be biodegraded quickly in the soil |
| CN111101231A (en) * | 2019-12-27 | 2020-05-05 | 宁夏宁东泰和新材有限公司 | Spandex easy to degrade and preparation method thereof |
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